This Chapter of the Revised Code of Washington (RCW) concerns diking and drainage districts in two or more counties. More specifically, it provides for the authorization of districts; annexation of territory, consolidation of special districts, suspension of operations, and reactivation; special assessments, budgets, alternative methods; board of commissioners, oath, bond, plan of improvement, levy of assessment, and procedure; board of commissioners, power to conduct business, make contracts, etc; board of commissioners, construction and maintenance powers; board of commissioners, duties of board officers, and quorum; board of commissioners, power to adjourn proceedings; board of commissioners, rules and regulations; board of commissioners, compensation and expenses; objections to assessment, procedure; judicial review; lien of assessments, notice and collection; payment of assessment without interest; district treasurer, collection, remittance and disbursement of assessments; sale of property for delinquency, procedure, purchaser's interest; disposal by commissioners of lands not redeemed from sale, use of proceeds; reassessments; segregation of assessments; special assessment bonds; counties to contribute for benefits to roads, bridges, or health of people; municipality may contribute; acquisition of property, and eminent domain; eminent domain, and procedure; eminent domain, and rightsofway; eminent domain against public lands; cities may be included in district; assessment of state lands; improvement of streams, and scope of powers; improvement of streams, stream beds are property of district, and disposition; service of notices on agent of owner; and validation of existing districts.